My system already had one serial port, ttyS0 which is working.
I've installed a Dynamode 2-port serial card and the kernel sees the two
ports. This provides two ports is:
PCI Spec Revision 2 compliant
Compatible with 16C550 UART
and says that it supports Linux.
However, I can't use them. I've tried using both minicom and faxxaddmodem (I'm
setting up a Hylafax modem bank).
Can anyone suggest what I need to do please.
[root@stan2 ~]# dmesg|grep tty
[ 0.000000] console [tty0] enabled
[ 0.690683] serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
[ 0.711711] 00:04: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
[ 0.712208] 0000:00:09.0: ttyS1 at I/O 0xec00 (irq = 17) is a XScale
[ 0.712602] 0000:00:09.0: ttyS2 at I/O 0xe880 (irq = 17) is a XScale
[root@stan2 ~]# lspci|grep -i serial
00:09.0 Serial controller: Device 4348:3253 (rev 10)
[root@stan2 ~]# setserial /dev/ttyS1
/dev/ttyS1, UART: undefined, Port: 0xec00, IRQ: 17
[root@stan2 ~]# ll /dev/ttyS*
crw-------. 1 uucp dialout 4, 64 Oct 31 14:33 /dev/ttyS0
crw-rw----. 1 root dialout 4, 65 Oct 31 14:34 /dev/ttyS1
crw-rw----. 1 root dialout 4, 66 Oct 31 14:34 /dev/ttyS2
crw-rw----. 1 root dialout 4, 67 Oct 31 2012 /dev/ttyS3
[root@stan2 ~]#
--
Gary Stainburn
Group I.T. Manager
Ringways Garages
http://www.ringways.co.uk